Physics Sliptest Spectros
Physics Sliptest Spectros
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K.S ACADEMY, SALEM-QUESTION PAPER
Time:1Hour Marks: 40
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Answer all the question:
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b)frequency lines are equally spaced
4.In the case of stokes line observed in Raman effect, the frequency of the line
is
d) any of these
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K.S ACADEMY, SALEM-QUESTION PAPER
a) = 2 b) = 0, 1 c) = 1 d) = 3
a)energy levels are not equally spaced but frequency is equally spaced
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c)both the energy and frequency are not equally spaced
d)energy levels are equally spaced but frequency levels are not equally spaced
9.For which of the following can both quantum number and the associated
energy be zero?
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K.S ACADEMY, SALEM-QUESTION PAPER
a) 3 5 b) 3 6 c) 3 d) 3 4
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a) =
1
2
b) =
1
2
c) =
1
2
3
2
d) =
1
2
2
17.In rotational Raman spectrum what is the selection rule for Rayleigh line
a) = 1 b) = 1 c) = +2 d) = 0
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K.S ACADEMY, SALEM-QUESTION PAPER
a) = > b) = < c) = , = 0 d) = =
20.In rotational Raman spectrum the Raman shift of stokes lines are
2 2
a) = +1 b) = 8 2 + 1
2
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2
c) = 2 2 + 1
2
d) = 8 2 + 1
c)various electronic state do not have any systematic separation for a given
molecule
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K.S ACADEMY, SALEM-QUESTION PAPER
a) " = 0 = 2 b) " = 0 = 1
c) " = 0 = 3 d) " = 0 = 4
a) 0.1 b) 10 100 c) 5 10 d) 20 20
a) no rotation b) no diffraction
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28. In a NMR spectrometer, the resonance transistion is shifted from the
reference (400) by 529 , and then its chemical shift is
29. A sample was excited by 4358 line of Hg. One Raman line is observed at
4447 then the other associated
30. The ratio of minimum wavelengths of Lyman and Balmer series will be
a) 1.25 b) 0.25 c)0.5 d) 10
31. If the mass of electron is reduced to half, then the Rydberg constant is
a) Remains unchanged b) Becomes half
c) Becomes double d) Becomes one-fourth
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K.S ACADEMY, SALEM-QUESTION PAPER
33. The force constant of the bond in 187 /. The spacing between its
vibrational energy level is ( 1.14 1026 )
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35. The energy gap between the two vibrational levels of a hole molecule is
0.36ev then its zero point energy will be
a) 6 b) 4 c) 3 d) 5
a)four ;two are Raman active and two are infrared active
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K.S ACADEMY, SALEM-QUESTION PAPER
38. The wavelength of Lyman series line due to the transistion from =
2 = 1 is
40. In a weak field the sodium D, (5896 ) and 2 (5290) are split into ____
and ___ lines respectively
a) 6, 4 b) 3, 6 c) 4, 6 d) 6, 3
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&
K .S !
( )
TRB
TRB
.
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K.S ACADEMY, SALEM-QUESTION PAPER
UNIT 400
.
1/3 rd PORTION TEST , HALF PORTION TEST .
4000
.
2001 PG TRB
.
2006 , DIET
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.
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K.S ACADEMY, SALEM-QUESTION PAPER
! !! !!!
13.5.2017
K.S ACADEMY
(STC )
-1
13.5.2017
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Answer key
.
Q.NO ANS
1 B 11 D 21 A 31 B
2 B 12 B 22 C 32 D
3 D 13 A 23 A 33 D
4 A 14 A 24 D 34 D
5 B 15 A 25 B 35 A
6 A 16 A 26 C 36 C
7 C 17 D 27 C 37 B
8 A 18 A 28 D 38 C
9 B 19 D 29 B 39 A
10 A 20 B 30 B 40 C
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